1402327840 has 48 divisors (see below), whose sum is σ = 3323134080. Its totient is φ = 559215360.

The previous prime is 1402327831. The next prime is 1402327847. The reversal of 1402327840 is 487232041.

It is not an unprimeable number, because it can be changed into a prime (1402327847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39721 + ... + 66199.

It is an arithmetic number, because the mean of its divisors is an integer number (69231960).

Almost surely, 2^1402327840 is an apocalyptic number.

1402327840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1402327840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1661567040).

1402327840 is an abundant number, since it is smaller than the sum of its proper divisors (1920806240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1402327840 is a wasteful number, since it uses less digits than its factorization.

1402327840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26825 (or 26817 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 1402327840 is about 37447.6680181824. The cubic root of 1402327840 is about 1119.3086294306.

Adding to 1402327840 its reverse (487232041), we get a palindrome (1889559881).

The spelling of 1402327840 in words is "one billion, four hundred two million, three hundred twenty-seven thousand, eight hundred forty".